| Hijri Month | Starts On | Day of Week | Days in Month |
|---|---|---|---|
| Muharram 1237 | 28-September-1821 | Friday | 30 days. |
| Safar 1237 | 28-October-1821 | Sunday | 30 days. |
| Rabi Al-Awwal 1237 | 27-November-1821 | Tuesday | 29 days. |
| Rabi Al-Thani 1237 | 26-December-1821 | Wednesday | 30 days. |
| Jumada Al-Awwal 1237 | 25-January-1822 | Friday | 29 days. |
| Jumada Al-Thani 1237 | 23-February-1822 | Saturday | 30 days. |
| Rajab 1237 | 25-March-1822 | Monday | 29 days. |
| Shaban 1237 | 23-April-1822 | Tuesday | 29 days. |
| Ramadan 1237 | 22-May-1822 | Wednesday | 30 days. |
| Shawwal 1237 | 21-June-1822 | Friday | 29 days. |
| Dhu Al-Qidah 1237 | 20-July-1822 | Saturday | 30 days. |
| Dhu Al-Hijjah 1237 | 19-August-1822 | Monday | 29 days. |